Bicycle trainer frame



FIG. 1 is an isometric view of a bicycle training frame incorporating our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines illustrate portions of the bicycle training frame which form no part of the claimed design. 

The ornamental design of a bicycle trainer frame, as shown and described. 